We use a dynamic oligopoly model of entry and exit with store-type differentiation to evaluate how entry regulations … demand, recover variable profits, and estimate entry costs and fixed costs by store type. Counterfactual policy experiments … show that welfare increases when competition is enhanced by lower entry costs. Protecting small stores by imposing …

, fails to draw on the most relevant fields of economics; entry is often a misanalyzed afterthought; official information …

using an explicit structural model of demand and entry with potentially unpredictable product quality. Based on plausible …

new entrants. Actual market entry, however, faces a significant barrier in the form of local franchise requirements that … are delaying entry and could postpone competition for a substantial period of time. For that reason, public policymakers … seeks to assist policymakers by measuring the impact of delayed entry on consumers. Drawing on existing data that shows …

meets entrants that enter one of the markets. We find that entry can enhance the total R&D expenditure of the incumbent firm …. That is, entry can stimulate R&D effort. Moreover, the incumbent's profit nonmonotonically changes as the number of … entrants increases. Depending on the fixed entry costs and R&D technologies, both insufficient and excess entry can appear …